/*
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* Copyright 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <unistd.h>
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#define LOG_TAG "VtsSyscall"
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#include <utils/Log.h>
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#include <cerrno>
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#include <cstdlib>
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#include <iostream>
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int main(int argc, char **argv) {
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if (argc != 2) {
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ALOGE("syscall_exists: invalid argument");
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return -EINVAL;
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}
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int syscall_id = atoi(argv[1]);
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ALOGI("testing syscall [%d]", syscall_id);
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int ret = syscall(syscall_id);
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bool exists = !(ret == -1 && errno == ENOSYS);
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ALOGI("syscall [%d] is %s", syscall_id, exists ? "enabled" : "disabled");
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std::cout << (exists ? 'y' : 'n');
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return 0;
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}
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